From a rave in an abandoned Polish coalmine to bonfires and bunting in the Bulgarian mountains, The Guardian newspaper recently put together a ten strong list of the best music festivals you may never have heard of. As always when we hear the words music festival we thought of free tickets and how to get some by volunteering.

Half a year in rural Sweden is one of many programmes arranged each year by AgriVenture, an organisation that offers young travellers, aged 18 to 30, the chance to travel and work on a farm, in agriculture, horticulture or home management in Europe, Australia, New Zealand, Canada, USA and Japan.